3250431 has 6 divisors (see below), whose sum is σ = 4695080. Its totient is φ = 2166948.

The previous prime is 3250427. The next prime is 3250433. The reversal of 3250431 is 1340523.

It is not a de Polignac number, because 3250431 - 2² = 3250427 is a prime.

It is a super-2 number, since 2×3250431² = 21130603371522, which contains 22 as substring.

It is a Duffinian number.

3250431 is a lucky number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3250433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180571 + ... + 180588.

Almost surely, 2^3250431 is an apocalyptic number.

3250431 is a deficient number, since it is larger than the sum of its proper divisors (1444649).

3250431 is a wasteful number, since it uses less digits than its factorization.

3250431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361165 (or 361162 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3250431 is about 1802.8951716614. The cubic root of 3250431 is about 148.1313510069.

Adding to 3250431 its reverse (1340523), we get a palindrome (4590954).

The spelling of 3250431 in words is "three million, two hundred fifty thousand, four hundred thirty-one".